A description of the problem
Place the tools within a wider set of problems and solutions
Describe why this tool is more suitable than other similar tools.
Describe how to use this tool
List out any methods that use this tool.
Provide links to the methods from the methods section.
Point out any special skills that may be needed.
Provide some indication of how well this tool works in relation to how much effort is needed to use it. Include verbage about how difficult the task would be without his tool.